73013005
Feb 8, 1974
Mar 30, 1976
CLINOMETERS, HEIGHT METERS, MARINE COMPASSES, SIGHTING COMPASSES, OPTICAL READING COMPASSES, OPTICAL POINTING COMPASSES, MAPPING COMPASSES, ORIENTING COMPASSES, HIKING COMPASSES, FIELD COMPASSES, DIVER'S COMPASSES, GEOLOGIST'S COMPASSES, SPORTSMEN'S COMPASSES, POCKET COMPASSES AND HAND BEARING COMPASSES
Electrical and Scientific Apparatus